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Azure Health Score Calculator

Score an Azure subscription across reliability, cost, security and operations, and see which pillar to fix first.

About Azure Health Score Calculator

Each pillar is scored from coverage percentages you can pull from Azure Policy, Defender for Cloud, Advisor and Azure Monitor, then combined with reliability and security carrying the heaviest weight. Orphaned spend is penalised sharply because it is pure waste with no offsetting benefit, so even a few percent drags the cost pillar down hard. A single score makes an Azure estate comparable over time and across subscriptions, and the weakest-pillar output turns that score into one concrete next action instead of a dashboard nobody reads.

Formula

Azure Health Score

score = reliability × 0.30 + security × 0.30 + cost × 0.20 + operations × 0.20, where each pillar is a weighted blend of its coverage inputs and orphaned spend is penalised at four points per percent.

reliability pillar
Half zone redundancy, half tested backup coverage
cost pillar
Reservation coverage against a penalty for orphaned spend
operations pillar
Telemetry coverage weighted with how actionable the alerts are

Worked example

With the default values below, Azure Health Score Calculator returns Overall Health Score of 65.0. Change any input above and every figure here is recalculated in your browser.

Inputs used

Production workloads that are zone redundantaccepts 0–100 %
60 %
Production resources with a tested backupaccepts 0–100 %
70 %
Steady-state compute covered by reservationsaccepts 0–100 %
45 %
Spend on orphaned or idle resourcesaccepts 0–100 %
8 %
Azure Policy complianceaccepts 0–100 %
82 %
Resources covered by Defender for Cloudaccepts 0–100 %
75 %
Resources sending logs and metricsaccepts 0–100 %
65 %
Alerts that lead to a real actionaccepts 0–100 %
40 %

Results

Overall Health Score
65.0 / 100
Grade
C — Fair
Reliability Pillar
65.0 / 100
Cost Pillar
54.2 / 100
Security Pillar
78.9 / 100
Operations Pillar
55.0 / 100
Fix This First
Cost — clear orphaned resources, then cover steady-state compute with reservations

Step by step

  1. 1Values used
  2. 2Azure Health Score
  3. 3Overall Health Score= 65.0 / 100
  4. 4Grade= C — Fair
  5. 5Reliability Pillar= 65.0 / 100
  6. 6Cost Pillar= 54.2 / 100
  7. 7Security Pillar= 78.9 / 100
  8. 8Operations Pillar= 55.0 / 100

Assumptions and limits

  • The result is derived only from the 8 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation or compounding frequency into account.
  • Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Azure Health Score calculated?

score = reliability × 0.30 + security × 0.30 + cost × 0.20 + operations × 0.20, where each pillar is a weighted blend of its coverage inputs and orphaned spend is penalised at four points per percent. Each pillar is scored from coverage percentages you can pull from Azure Policy, Defender for Cloud, Advisor and Azure Monitor, then combined with reliability and security carrying the heaviest weight. Orphaned spend is penalised sharply because it is pure waste with no offsetting benefit, so even a few percent drags the cost pillar down hard.

Why does Azure Health Score matter?

A single score makes an Azure estate comparable over time and across subscriptions, and the weakest-pillar output turns that score into one concrete next action instead of a dashboard nobody reads.

What values do I need to enter?

This calculator takes 8 inputs: Production workloads that are zone redundant, Production resources with a tested backup, Steady-state compute covered by reservations, Spend on orphaned or idle resources, Azure Policy compliance, Resources covered by Defender for Cloud, Resources sending logs and metrics, Alerts that lead to a real action. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

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